ADA KUMU Flat River Gravel

ADA KUMU Flat River Gravel

  • Flat, rounded gravel
  • From the ADA KUMU series
  • Grain size 10 - 40 mm
  • High influence on pH & GH
  • Ideal for aquarium and terrarium layouts
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ADA KUMU River Gravel from the KUMU Layout series is a high-quality river gravel that is characterised by its flat shape and natural appearance. The grain size of this product ranges from 10 to 40 mm, making it ideal for creating natural landscapes. This gravel gives aquariums and paludariums an authentic and aesthetically pleasing layout.
The ADA KUMU River Gravel is not only available in the size described here, but also in a finer S version (River Gravel S). By combining both sizes, an even more realistic and varied look can be achieved. This supports the design of near-natural habitats and offers a wide range of possible applications.

It is important to note that this gravel has an influence on the total hardness (GH) and pH value of the water, as it can increase these values. However, this effect can be counteracted by regular water changes to ensure a stable and healthy aquarium.

The KUMU series is not only suitable for use in small glass showcases as paludarium decoration material, but also as a versatile design material for optimising compositions and refining scenic arrangements in aquascapes.


  • Flat gravel with rounded edges for a natural look
  • Evokes the beauty of Japanese riverbeds
  • Ideal for creating a refreshing atmosphere
  • Can affect total hardness and pH levels
  • Regular water changes help maintain stable water parameters
  • Can be combined with the finer KUMU River Gravel S variant
  • Grain size from 10 to 40 mm
  • Ideal for use in aquariums and paludariums



Aqua Design Amano (ADA) is the premium brand in aquascaping and Nature Aquaria. The company was founded by Takashi Amano, who applied the elements of the Japanese art of gardening to planting and decorating aquaria. For Takashi Amano, clearly the focus is on creating especially attractive habitats with his Nature Aquaria and aquascapes. The products manufactured by Aqua Design Amano (ADA) are of a very high quality, they complement the overall effect such a Nature Aquarium has on its contemplators, and they complete the artistic impression of the layout.

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